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tccgen.c: merge more function attributes

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Merge function attributes with those given given for the
prototype, also handle post-decl appearance such as

    void func() __attribute__((noreturn))
    {
    }

Also, some test fixes (unrelated).
This commit is contained in:
grischka 2020-05-13 11:14:53 +02:00
parent 7bb5454ef3
commit 4429cef9f6
3 changed files with 17 additions and 3 deletions
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12
tccgen.c
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@ -1507,6 +1507,12 @@ static void merge_funcattr(struct FuncAttr *fa, struct FuncAttr *fa1)
fa->func_type = fa1->func_type;
if (fa1->func_args && !fa->func_args)
fa->func_args = fa1->func_args;
if (fa1->func_noreturn)
fa->func_noreturn = 1;
if (fa1->func_ctor)
fa->func_ctor = 1;
if (fa1->func_dtor)
fa->func_dtor = 1;
}
/* Merge attributes. */
@ -1563,9 +1569,11 @@ static void patch_type(Sym *sym, CType *type)
}
if (0 == (type->t & VT_EXTERN)) {
struct FuncAttr f = sym->type.ref->f;
/* put complete type, use static from prototype */
sym->type.t = (type->t & ~(VT_STATIC|VT_INLINE)) | static_proto;
sym->type.ref = type->ref;
merge_funcattr(&sym->type.ref->f, &f);
} else {
sym->type.t &= ~VT_INLINE | static_proto;
}
@ -8201,9 +8209,13 @@ static int decl0(int l, int is_for_loop_init, Sym *func_sym)
sym->type = int_type;
}
/* apply post-declaraton attributes */
merge_funcattr(&type.ref->f, &ad.f);
/* put function symbol */
type.t &= ~VT_EXTERN;
sym = external_sym(v, &type, 0, &ad);
/* static inline functions are just recorded as a kind
of macro. Their code will be emitted at the end of
the compilation unit only if they are used */

2
tests/Makefile
View file

@ -229,7 +229,7 @@ abitest-cc.exe: abitest.c $(LIBTCC)
$(CC) -o $@ $^ $(CFLAGS) $(LIBS) -w
abitest-tcc.exe: abitest.c libtcc.c
$(TCC) -o $@ $^ $(LIBS)
$(TCC) -o $@ $^ $(NATIVE_DEFINES) $(LIBS)
abitest-% : abitest-%.exe
@echo ------------ $@ ------------

6
tests/tests2/Makefile
View file

@ -36,9 +36,11 @@ endif
ifeq (-$(CONFIG_WIN32)-$(CONFIG_i386)$(CONFIG_arm)-,--yes-)
SKIP += 95_bitfields%.test # type_align is different on 32bit-non-windows
endif
ifneq (-$(CONFIG_WIN32)$(CONFIG_WIN64)-,--)
ifeq (-$(CONFIG_WIN32)-,-yes-)
SKIP += 106_pthread.test # No pthread support
SKIP += 114_bound_signal.test
endif
ifneq (-$(CONFIG_WIN32)-$(findstring $(GCC_MAJOR),3 4)-,---)
SKIP += 114_bound_signal.test # not on windows or older linuxes
endif
# Some tests might need arguments